@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --bg-base: #070707;
    --bg-surface: #111111;
    --bg-surface-elevated: #181818;
    --bg-glass: rgba(17, 17, 17, 0.75);
    --bg-glass-heavy: rgba(10, 10, 10, 0.92);
    
    --text-main: #FFFFFF;
    --text-muted: #A0A0A0;
    --text-dim: #707070;
    
    --accent-purple: #FFFFFF;
    --accent-blue: #D0D0D0;
    --accent-gradient: linear-gradient(135deg, #FFFFFF 0%, #B0B0B0 100%);
    --accent-glow: rgba(255, 255, 255, 0.08);
    
    --border-subtle: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.28);
    
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-pill: 9999px;
    
    --header-height: 72px;
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
    touch-action: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

h1 { 
    font-size: clamp(2.2rem, 5.5vw, 4.2rem); 
    letter-spacing: -0.04em; 
    line-height: 1.1;
}

h2 { 
    font-size: clamp(1.85rem, 4.5vw, 3.2rem); 
    letter-spacing: -0.03em; 
    margin-bottom: 1.2rem; 
}

h3 { 
    font-size: clamp(1.35rem, 2.5vw, 2rem); 
    margin-bottom: 0.75rem; 
    letter-spacing: -0.02em; 
}

p { 
    font-size: clamp(1rem, 1.2vw, 1.125rem); 
    color: var(--text-muted); 
    margin-bottom: 1.5rem; 
    max-width: 650px; 
    font-weight: 400; 
    line-height: 1.65;
}

.gradient-text {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: var(--header-height);
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

header.scrolled {
    background: rgba(7, 7, 7, 0.92);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.12);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    z-index: 1010;
    transition: transform var(--transition-fast);
}

.logo:active {
    transform: scale(0.96);
}

.logo img {
    height: 46px;
    width: auto;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.5));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--text-main);
    transition: width var(--transition-fast);
    border-radius: 2px;
}

.nav-links a:hover, 
.nav-links a.active {
    color: var(--text-main);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-cta-desktop {
    display: inline-flex;
}

.nav-cta-mobile {
    display: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    background: var(--text-main);
    color: var(--bg-base);
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: var(--radius-pill);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
    touch-action: manipulation;
    min-height: 48px;
}

.btn:active {
    transform: scale(0.96);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.15);
}

.btn-primary {
    background: #FFFFFF;
    color: #000000;
    border: 1px solid #FFFFFF;
}

.btn-primary:hover {
    background: #EAEAEA;
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-main);
    box-shadow: none;
}

/* Animated Hamburger Toggle */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    width: 44px;
    height: 44px;
    padding: 10px;
    cursor: pointer;
    z-index: 1010;
    position: relative;
    border-radius: 8px;
    touch-action: manipulation;
}

.menu-toggle:active {
    background: rgba(255, 255, 255, 0.06);
}

.menu-toggle-icon {
    display: block;
    position: relative;
    width: 24px;
    height: 18px;
}

.menu-toggle-icon span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--text-main);
    border-radius: 2px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-toggle-icon span:nth-child(1) { top: 0px; }
.menu-toggle-icon span:nth-child(2) { top: 8px; }
.menu-toggle-icon span:nth-child(3) { top: 16px; }

.menu-toggle.active .menu-toggle-icon span:nth-child(1) {
    top: 8px;
    transform: rotate(135deg);
}

.menu-toggle.active .menu-toggle-icon span:nth-child(2) {
    opacity: 0;
    left: -20px;
}

.menu-toggle.active .menu-toggle-icon span:nth-child(3) {
    top: 8px;
    transform: rotate(-135deg);
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: calc(var(--header-height) + 4.5rem);
    padding-bottom: 5rem;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    width: min(600px, 90vw);
    height: min(600px, 90vw);
    background: radial-gradient(circle, rgba(255, 255, 255, 0.07) 0%, rgba(7, 7, 7, 0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-content .badge,
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.hero-cta-group {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.hero-image {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.hero-image img {
    width: 100%;
    max-width: 740px;
    height: auto;
    object-fit: contain;
    animation: float 6s ease-in-out infinite;
    filter: invert(1) brightness(1.2) contrast(1.05);
    will-change: transform;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}

/* Clients Marquee */
.clients-section {
    padding: 2.5rem 0;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    overflow: hidden;
    position: relative;
}

.clients-title {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    margin-bottom: 1.8rem;
    color: var(--text-muted);
}

.marquee-wrapper {
    display: flex;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee {
    display: flex;
    gap: 4rem;
    animation: scroll 35s linear infinite;
    padding: 0 1.5rem;
    align-items: center;
    will-change: transform;
}

.marquee img {
    height: 34px;
    max-width: 140px;
    object-fit: contain;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    opacity: 0.85;
    flex-shrink: 0;
}

.marquee img:hover {
    transform: scale(1.08);
    opacity: 1;
}

.invert-logo {
    filter: invert(1);
}

.screen-logo {
    mix-blend-mode: screen;
}

@keyframes scroll {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

/* Bento Box Grids */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.bento-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.bento-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.06), transparent 40%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.bento-item:hover::before {
    opacity: 1;
}

.bento-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.bento-item.large {
    grid-column: span 2;
}

.bento-item h3 {
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
}

.bento-item p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.bento-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.bento-icon svg {
    width: 24px;
    height: 24px;
    fill: #FFFFFF;
}

/* Metrics (Bento Style) */
.metrics-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.metric-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.metric-box:hover {
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.metric-box h3 {
    color: #FFFFFF;
    font-size: clamp(2.8rem, 5vw, 3.8rem);
    margin-bottom: 0.35rem;
    position: relative;
    z-index: 2;
    letter-spacing: -0.03em;
}

.metric-box p {
    color: rgba(255, 255, 255, 0.85);
    margin: 0 auto;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    z-index: 2;
}

/* Partners Section */
.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin-top: 3rem;
}

.partners-grid img {
    max-height: 60px;
    max-width: 220px;
    object-fit: contain;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
    opacity: 0.9;
}

.shopify-logo {
    transform: scale(1.4);
    margin: 0 0.5rem;
}

.partners-grid img:hover {
    transform: translateY(-4px);
    opacity: 1;
}

.shopify-logo:hover {
    transform: scale(1.4) translateY(-4px);
}

/* Contact Section */
.contact-section {
    background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-surface) 100%);
    border-top: 1px solid var(--border-subtle);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.contact-image {
    display: flex;
    justify-content: center;
}

.contact-image img {
    width: 100%;
    max-width: 440px;
    height: auto;
    filter: invert(1) brightness(0.95);
}

.contact-form-wrapper {
    background: var(--bg-base);
    padding: 3rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    position: relative;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 1rem 1.1rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem; /* Crucial 16px to prevent auto zoom on iOS */
    background: var(--bg-surface);
    color: var(--text-main);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    -webkit-appearance: none;
}

.form-control::placeholder {
    color: #606060;
}

.form-control:focus {
    outline: none;
    border-color: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.12);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--bg-base);
    border-top: 1px solid var(--border-subtle);
    padding: 4.5rem 1.5rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3.5rem;
    max-width: 1280px;
    margin: 0 auto 3.5rem;
}

.footer-about p {
    color: var(--text-muted);
    margin-top: 1.2rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer-links h4 {
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    color: var(--text-main);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.85rem;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    display: inline-block;
    padding: 0.2rem 0;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--text-main);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* Utilities */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* Scroll Reveal Animations - High Performance */
.reveal {
    opacity: 0;
    transform: translate3d(0, 24px, 0);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

/* --- Case Study Dedicated Page Styles --- */
.cs-hero {
    position: relative;
    padding: calc(var(--header-height) + 5rem) 1.5rem 5rem;
    text-align: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-subtle);
}

.cs-hero-bg {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 120vw;
    height: 120vw;
    max-width: 1000px;
    max-height: 1000px;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 60%);
    z-index: -1;
}

.cs-hero h1 {
    font-size: clamp(2.3rem, 5.5vw, 4.2rem);
    margin-bottom: 1rem;
}

.cs-hero p {
    margin: 0 auto;
    font-size: 1.15rem;
    max-width: 680px;
}

.cs-stats-banner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 3rem 1.5rem;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    max-width: 1280px;
    margin: 0 auto;
}

.cs-stat-item {
    text-align: center;
}

.cs-stat-item h3 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    color: var(--text-main);
    margin-bottom: 0.35rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cs-stat-item p {
    margin: 0 auto;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.cs-content-wrapper {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 4rem;
    padding: 5rem 1.5rem;
    align-items: start;
}

.cs-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
}

.cs-sidebar h4 {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.2rem;
}

.cs-sidebar ul {
    list-style: none;
}

.cs-sidebar li {
    margin-bottom: 0.75rem;
}

.cs-sidebar a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    display: block;
    padding: 0.3rem 0;
    transition: color var(--transition-fast);
}

.cs-sidebar a:hover {
    color: var(--text-main);
}

.cs-body section {
    margin-bottom: 5rem;
}

.cs-body h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
}

.cs-body p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    line-height: 1.7;
}

.cs-body ul {
    margin-left: 1.5rem;
    margin-bottom: 2rem;
}

.cs-body li {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.cs-body li strong {
    color: var(--text-main);
}

.cs-pull-quote {
    font-size: clamp(1.25rem, 2.5vw, 1.6rem);
    font-weight: 300;
    line-height: 1.45;
    color: var(--text-main);
    border-left: 3px solid var(--text-main);
    padding-left: 1.5rem;
    margin: 3rem 0;
    font-style: italic;
    background: rgba(255, 255, 255, 0.02);
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* --- Flowchart Styles (Responsive & Sleek) --- */
.flowchart-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 3rem 0;
    width: 100%;
    overflow-x: auto;
    padding: 1.5rem 0.5rem 2.5rem;
    -webkit-overflow-scrolling: touch;
}

.flowchart-scroll-hint {
    display: none;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-subtle);
}

.flowchart-wrapper::-webkit-scrollbar {
    height: 6px;
}
.flowchart-wrapper::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 3px;
}
.flowchart-wrapper::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 3px;
}

.fc-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100%;
    width: max-content;
}

.fc-node {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.1rem 0.9rem;
    text-align: center;
    width: 200px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    position: relative;
    z-index: 2;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.fc-node:hover {
    border-color: var(--text-main);
    transform: translateY(-3px);
}

.fc-node h3 {
    margin-bottom: 0.4rem;
    font-size: 1.15rem;
    color: var(--text-main);
}

.fc-node p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.4;
}

.fc-root {
    margin-bottom: 0;
    position: relative;
    z-index: 3;
}

.fc-root > .fc-node {
    background: var(--text-main);
    color: var(--bg-base);
    border-color: var(--text-main);
    width: 240px;
    padding: 1.25rem 1rem;
}

.fc-root > .fc-node h3 {
    color: var(--bg-base);
    font-size: 1.25rem;
    margin-bottom: 0;
}

.fc-root::after {
    content: '';
    position: absolute;
    bottom: -2.5rem;
    left: 50%;
    width: 2px;
    height: 2.5rem;
    background: var(--border-subtle);
    transform: translateX(-50%);
    z-index: 1;
}

.fc-branches {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    position: relative;
    padding-top: 2.5rem;
    width: 100%;
}

.fc-branch {
    position: relative;
    padding: 0 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.fc-branch::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 2.5rem;
    background: var(--border-subtle);
    transform: translateY(-100%) translateX(-50%);
}

.fc-branch::after {
    content: '';
    position: absolute;
    top: -2.5rem;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--border-subtle);
}

.fc-branch:first-child::after {
    left: 50%;
    width: 50%;
}

.fc-branch:last-child::after {
    left: 0;
    width: 50%;
}

.fc-branch:only-child::after {
    display: none;
}

.fc-sub-branches {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    position: relative;
    padding-top: 2.5rem;
    width: 100%;
}

.fc-sub-branch {
    position: relative;
    padding: 0 0.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.fc-sub-branch .fc-node {
    width: 160px;
    padding: 0.9rem 0.75rem;
    background: rgba(255,255,255,0.03);
}

.fc-sub-branch .fc-node h3 {
    font-size: 1rem;
}

.fc-sub-branch .fc-node p {
    font-size: 0.8rem;
}

.fc-sub-branch::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 2.5rem;
    background: var(--border-subtle);
    transform: translateY(-100%) translateX(-50%);
}

.fc-sub-branch::after {
    content: '';
    position: absolute;
    top: -2.5rem;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--border-subtle);
}

.fc-sub-branch:first-child::after {
    left: 50%;
    width: 50%;
}

.fc-sub-branch:last-child::after {
    left: 0;
    width: 50%;
}

.fc-sub-branch:only-child::after {
    display: none;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */

/* Tablet (Max 1024px) */
@media (max-width: 1024px) {
    .section {
        padding: 5rem 0;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content p {
        margin: 0 auto 2rem;
    }
    
    .hero-cta-group {
        justify-content: center;
    }
    
    .hero-image {
        margin: 0 auto;
    }
    
    .hero-image img {
        max-width: 460px;
    }
    
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }
    
    .bento-item.large {
        grid-column: span 2;
    }
    
    .metrics-container {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .metric-box {
        padding: 2rem 1rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .contact-image img {
        max-width: 320px;
    }
    
    .contact-form-wrapper {
        text-align: left;
    }

    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 2.5rem;
    }

    .cs-content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .cs-sidebar {
        display: none;
    }
    
    .flowchart-scroll-hint {
        display: inline-block;
    }
}

/* Mobile Devices (Max 768px) */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
        --radius-lg: 18px;
        --radius-xl: 22px;
    }
    
    .container {
        padding: 0 1.25rem;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    /* Header & Mobile Menu Drawer */
    .nav-cta-desktop {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        height: 100vh;
        height: 100dvh;
        background: var(--bg-glass-heavy);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1.8rem;
        padding: 5rem 2rem 3rem;
        transform: translateY(-100%);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
        opacity: 0;
        visibility: hidden;
        z-index: 1005;
        overflow-y: auto;
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-links li {
        width: 100%;
        text-align: center;
    }
    
    .nav-links a {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--text-main);
        display: block;
        padding: 0.6rem 0;
    }
    
    .nav-links a::after {
        display: none;
    }
    
    .nav-cta-mobile {
        display: block;
        margin-top: 1rem;
        width: 100%;
        max-width: 280px;
    }
    
    .nav-cta-mobile .btn {
        width: 100%;
        padding: 1rem;
        font-size: 1rem;
    }
    
    /* Hero */
    .hero {
        padding-top: calc(var(--header-height) + 2rem);
        padding-bottom: 3.5rem;
        min-height: auto;
    }
    
    .hero-content .badge {
        font-size: 0.75rem;
        padding: 0.35rem 0.85rem;
        letter-spacing: 1px;
    }
    
    .hero-cta-group {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem;
        margin-top: 2rem;
    }
    
    .hero-cta-group .btn {
        width: 100%;
    }
    
    .hero-image img {
        max-width: 320px;
    }
    
    /* Clients Marquee */
    .clients-section {
        padding: 2rem 0;
    }
    
    .marquee {
        gap: 2.5rem;
        animation-duration: 25s;
    }
    
    .marquee img {
        height: 28px;
        max-width: 110px;
    }
    
    /* Bento Grid */
    .bento-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .bento-item, 
    .bento-item.large {
        grid-column: span 1;
        padding: 1.75rem 1.4rem;
    }
    
    .bento-item h3 {
        font-size: 1.35rem;
    }
    
    /* Metrics */
    .metrics-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .metric-box {
        padding: 2rem 1.5rem;
    }
    
    .metric-box h3 {
        font-size: 3rem;
    }
    
    /* Partners */
    .partners-grid {
        gap: 2rem;
        margin-top: 2rem;
    }
    
    .partners-grid img {
        max-height: 48px;
        max-width: 160px;
    }
    
    .shopify-logo {
        transform: scale(1.2);
    }
    
    .shopify-logo:hover {
        transform: scale(1.2) translateY(-2px);
    }
    
    /* Contact Form */
    .contact-form-wrapper {
        padding: 2rem 1.25rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    /* Footer */
    footer {
        padding: 3.5rem 1.25rem 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
        margin-bottom: 2.5rem;
    }
    
    .footer-about img {
        margin: 0 auto 1rem;
    }
    
    /* Case Studies Dedicated */
    .cs-hero {
        padding: calc(var(--header-height) + 2.5rem) 1.25rem 3rem;
    }
    
    .cs-stats-banner {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        padding: 2rem 1.25rem;
    }
    
    .cs-content-wrapper {
        padding: 3.5rem 1.25rem;
    }
    
    .cs-body section {
        margin-bottom: 3.5rem;
    }
    
    .cs-pull-quote {
        margin: 2rem 0;
        padding: 0.75rem 1rem;
        font-size: 1.15rem;
    }
}

/* Extra Small Phones (Max 480px) */
@media (max-width: 480px) {
    h1 { font-size: 2.1rem; }
    h2 { font-size: 1.75rem; }
    
    .btn {
        padding: 0.85rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .logo img {
        height: 36px;
    }
    
    .contact-form-wrapper {
        padding: 1.75rem 1rem;
    }
}